package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 *
 * 排序字符串
 *
 * */
public class SortListDemo3 {
    public static void main(String[] args) {
        List<String> list=new ArrayList<>();
        list.add("苍老师");
        list.add("小泽老师");
        list.add("范老师");

        System.out.println(list);
       // Collections.sort(list);
        //定义一个比较器，按照字多字少排序
        Collections.sort(list,(o1,o2)->o1.length()-o2.length());
  //      Collections.sort(list,Comparator.comparingInt(String::length));



        System.out.println(list);


    }
}
